A sustainable future for coal depends on our ability to integrate cleaner practices without sacrificing the livelihoods of those who depend on the industry.

"Love is the only force capable of transforming an enemy into a friend." 《爱在流放地》

Randomized evaluations can help us understand what works and what doesn't in development.

The path to clean energy begins with making current practices cleaner.

If you loan someone $20 and you never see them again. That makes it worth $20. 

Editing is not just about cutting and splicing; it's about finding the rhythm and the soul of the film.

Success is not an accident. It is a choice， a discipline， a learning process， a sacrifice， and most of all， a love for what you are doing.

There is a kind of beauty in imperfection.